WO2009024699A1 - Device for conforming the skin of the bodywork of an automobile - Google Patents

Device for conforming the skin of the bodywork of an automobile Download PDF

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Publication number
WO2009024699A1
WO2009024699A1 PCT/FR2008/051396 FR2008051396W WO2009024699A1 WO 2009024699 A1 WO2009024699 A1 WO 2009024699A1 FR 2008051396 W FR2008051396 W FR 2008051396W WO 2009024699 A1 WO2009024699 A1 WO 2009024699A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical block
optical
parts
skin
relative
Prior art date
Application number
PCT/FR2008/051396
Other languages
French (fr)
Other versions
WO2009024699A4 (en
Inventor
Arnold Fayt
Hugues Cheron
Original Assignee
Compagnie Plastic Omnium
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Plastic Omnium filed Critical Compagnie Plastic Omnium
Priority to EP08827753.8A priority Critical patent/EP2173583B1/en
Publication of WO2009024699A1 publication Critical patent/WO2009024699A1/en
Publication of WO2009024699A4 publication Critical patent/WO2009024699A4/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/16—Mud-guards or wings; Wheel cover panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/0408—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body
    • B60Q1/0433—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body the housing being fastened onto the vehicle body using screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/0408—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body
    • B60Q1/045—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights built into the vehicle body, e.g. details concerning the mounting of the headlamps on the vehicle body with provision for adjusting the alignment of the headlamp housing with respect to the vehicle body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/16—Mud-guards or wings; Wheel cover panels
    • B62D25/161—Mud-guards made of non-conventional material, e.g. rubber, plastics

Definitions

  • the present invention relates to the technical field of motor vehicle body skins, including body skins surrounding optical blocks.
  • the reinforcements are then assembled to the optical block by means of separate assembly or merged with the positioning points and the skin thus remains in its final position relative to the optical block. Finally and optionally, the reinforcements are welded together, which allows the skin to keep its final position, even in the case where we must disassemble the optical block.
  • This method is satisfactory in that it makes it possible to conform the skin exactly according to the shape of the optical block that it receives, that is to say without undergoing inevitable geometrical dispersions between different copies of the optical block or the skin. .
  • the skin is elastically deformed by the optical block and therefore exerts on the latter elastic restoring forces, generally tensile forces, at the points where the reinforcements are secured to the optical block.
  • the optical block rigid as a whole, comprises less mechanically resistant parts. The tensile forces exerted by the skin, through the reinforcements, could therefore contribute to damaging the optical block in these parts. Therefore, the means for assembling reinforcements to the skin can not be provided on these parts of the optical block.
  • the present invention aims to overcome this disadvantage.
  • the subject of the present invention is a device for shaping a plastic body skin around an optical unit of a motor vehicle, the skin comprising an opening intended to receive the optical unit, said device being characterized in what: - it comprises fixing means to the optical block,
  • each part is intended to be fixed to the skin, at the edge of its opening,
  • each part comprises reciprocal fixing means to the other part and a contact interface with the optical block; the contact interface of at least one of the two parts is arranged in such a way that all the means fixing the shaping device to the optical block being placed, the other part is free to move away from the optical unit if the two parts cease to be fixed to each other by their reciprocal fixing means.
  • An “optical unit” encloses the optics of a motor vehicle: it comprises an optical box, comprising various functional elements, notably the dipped beam, and closed by an optical glazing, around which the opening of the skin must be positioned.
  • opening is meant a lumen formed in the body skin and intended to receive the optical unit. This opening can be characterized by an unclosed contour.
  • the fixing means are "put in place” when they are placed in the position for fixing the shaping device to the optical unit.
  • mobile part parts of the device moving relative to each other.
  • the conformation of the body skin around the optical block is achieved by moving at least one of the moving parts of the device so that the contact interface of this part bears against the optical block.
  • Each mobile part being attached to the skin the latter accompanies the movement of the movable part by deforming elastically.
  • the skin can thus be positioned closer to the optical glazing.
  • the skin is then maintained in its deformed configuration by the reciprocal fixing means from one moving part to the other. When releasing these reciprocal fixing means, the skin is again free to deviate from the optical block.
  • the elastic return forces due to the deformation of the skin are exerted essentially on the moving parts of the shaping device.
  • the optical block is therefore little mechanically stressed by the skin. Positioning and the possible fixation of the skin relative to the optical block can therefore be achieved relative to any part thereof, without risk of damaging it.
  • the fastening means comprise means for fixing the optical block of a portion of the device, arranged so as to be substantially opposed to the means of mutual attachment, the device preferably comprising a clearance adapted to receive the optical block, interposed between the fixing means of the portion of the optical block and the reciprocal fixing means.
  • each of the moving parts relative to each other is intended to be fixed to the skin so as to follow substantially the contour of the opening at least over part of its length.
  • each movable portion is able to continuously deform the skin along at least a portion of its contour and therefore ensures a more precise positioning of the skin.
  • the shaping device is U-shaped, comprising a bottom and two branches extending in particular on each side of the bottom, the bottom optionally comprising the fixing means to the optical block and the two branches constituting the moving parts. relative to each other of the device.
  • This configuration is particularly advantageous when the contour of the opening of the body skin is not closed and comprises three sides.
  • the moving parts relative to each other of the device are arranged on two separate parts, the reciprocal fixing means being arranged at least at one end of each piece.
  • the configuration in which the reciprocal fixing means are provided at their two ends is particularly advantageous for body skins surrounding the optical unit
  • the device further comprises means for relative positioning of the optical unit and at least one of the moving parts. relative to each other of the device, so that the part is mobile only in a given direction relative to the optical block, that is to say, only has a degree of freedom relative to the optical block.
  • each of the moving parts relative to each other of the device is movable relative to the optical block, even when the means for fixing the optical block to the device are put in place, which makes it possible to position the skin even more precisely; its deformation can be managed more locally, at least one mobile part of the device is constituted by a structural element of the vehicle, such as an optical support or wing support, which allows to reduce the number of parts and to simplify the assembly of the different elements together.
  • each movable part comprises fastening means to the body skin, the fastening means to the body skin of each of the movable parts being distinct from the fastening means to the body skin of the other movable parts.
  • the invention also relates to a motor vehicle module, comprising: an optical unit, a body skin having an opening for receiving the optical unit, a shaping device according to the invention.
  • the module comprises at least one of the elements of the following list:
  • an absorber intended to absorb shocks with a pedestrian, means for anti-blistering of the bodywork skin.
  • At least a part, or portion, of the device is in one piece with at least one of the elements of the above list, which simplifies assembly of the module.
  • the body skin is a wing of the motor vehicle.
  • the invention also relates to a method of shaping a body skin around a motor vehicle optical unit, the skin comprising a opening intended to receive the optical block, the method comprising the following steps: the optical block is fixed beforehand with a shaping device comprising at least two parts that are movable relative to each other; each mobile part of the device is fixed; a portion of the body skin disposed at the edge of the opening thereof,
  • At least one of the moving parts of the device is moved so that a contact interface of each mobile part bears against the optical block, one of the moving parts is fixed to the other of the parts so as to maintain the contact interfaces in support against the optical block.
  • the different fixing steps are carried out so that if the two parts stop being fixed to one another, the shaping device being attached to the optical unit, at least one of the parts is free to move apart. of the optical block.
  • the subject of the present invention is also a device for shaping a plastic body skin around an optical unit of a motor vehicle, the skin comprising an opening intended to receive the optical unit, said device being characterized in that:
  • the optical block comprises possible fixing means for the optical block, which can be put in place before, during and / or after the conformation of the bodywork skin, it comprises at least two parts movable relative to one another; 'other,
  • each part is intended to be fixed to the skin, at the edge of its opening,
  • each part comprises reciprocal fixing means to the other part and a contact interface with the optical block
  • the contact interface of at least one of the two parts is arranged in such a way that, once all the possible means for fixing the shaping device to the optical block, have been put in place, the other part is free from move away from the optical block if the two parts cease to be fixed to each other by their means of mutual fixation.
  • Such a device may also include all the features defined above and belong to a module as defined above.
  • the present invention also relates to a method of shaping a body skin around an optical block, the skin having an opening for receiving an optical unit, characterized in that it uses a shaping device according to the invention. invention and in that the method comprises: at least one prior step of fixing the device to the optical block, - a step of moving at least a part of the device so that the contact interface of each part is in support against the optical block, a step of fixing a part to the other part so as to keep the contact interfaces bearing against the optical block,
  • FIG. 1 is a schematic representation of a shaping device according to one embodiment of the invention
  • FIG. 2 is a perspective view of a motor vehicle module according to a particular embodiment of the invention
  • FIG. 3 is a sectional view of a detail of an upper part of the module of FIG. 2
  • FIG. 4 is a sectional view of a detail of a lower part of the module of FIG.
  • a wing 1 of a motor vehicle (dashed) formed by a molded body panel.
  • the wing has an opening 1a for surrounding the optical glazing, not shown in the figure.
  • the opening 1 of the wing 1 as manufactured corresponds essentially to the shape of the optical glazing. However, it is not quite complementary shape of the optical glazing, because of the dispersion of the dimensions of the wing 1 and the glazing.
  • Figure 1 also shows a device 2 of conformation of the wing 1 around the optical block, for elastically deforming it so that it marries as much as possible the shape of the optical glazing.
  • the shaping device 2 is intended to be fixed to one side of the wing, not visible from the outside of the vehicle, at the edge of the opening 1a, all along its contour.
  • the term "outer part” or “inner part” of the optical block, the wing or any other element will be referred to as the part of this element intended to be the outermost, respectively the outermost part. further inside, the vehicle in its transverse direction, when this element is mounted on the vehicle.
  • the device 2 is U-shaped and comprises a bottom 4 in the outer part and two lateral branches 6a and 6b extending on each side of the bottom 4, essentially in the transverse direction of the vehicle, towards the inside thereof.
  • the optical unit is intended to be accommodated in the clearance defined by the bottom 4 and the two lateral branches 6a,
  • the bottom 4 is intended to be immobilized relative to the optical block, in particular at points 5, and comprises for this purpose fixing means.
  • each movable portion comprises, at its free end, a rigid tab 8a., 8Jx These tabs are intended to be superimposed when the skin is correctly positioned and comprise reciprocal fixing means.
  • the 2 also comprises, on each mobile part, a contact interface 9a, 9b with the optical block intended to be in abutment against the optical block, in particular the optical glazing, and constituted by the lower face of the branch 6a and the upper face of branch 6Jx
  • the legs 6a, 6b are moved relative to each other.
  • the two branches 6a, 6t) are brought together so that their contact interfaces 9a, 9b bear against the optical block and the two tabs 8a, 8t) of the device are superimposed.
  • the wing 1 is forced and deformed elastically, in particular in the vicinity of the edge of the opening 1a. attached to the device.
  • the two tabs 8a, 8b are fixed to one another by means of the means for reciprocal attachment of one of the tabs to the other, constituted for example by two orifices, arranged each in a tab 8a, 8b and allowing, when superimposed, to accommodate a screw.
  • At least one of the two orifices is an oblong orifice, allowing the assembly of the two lugs in several relative positions, according to the deformation to be applied to the wing.
  • the wing 1 is therefore maintained in a deformed configuration around the optical glazing.
  • the wing 1 tends to resume its initial configuration and the branches 6a, 6t) deviate from each other and deviate each from the optical block.
  • FIG. 2 shows a wing module 10 according to another embodiment of the invention.
  • the module comprises a wing 12, shown in dotted lines, having an opening 14 for receiving an optical block.
  • the outline of the opening is complementary to that of the optical glazing.
  • the optical block 15 belongs to the module but is not shown in Figure 2 for reasons of clarity.
  • the module also comprises a wing support 16 comprising an absorber 18 which extends along the upper edge of the wing 12, in the direction corresponding to the longitudinal direction of the vehicle.
  • the absorber 18 is intended to absorb a shock with a pedestrian.
  • the module 10 also comprises an optical block support 20 intended to be placed under the optical unit and also serving, at the front, anti-flocking reinforcement of the wing 12.
  • the wing supports 16 and optical 20 are made of plastic, and the wing 12.
  • the wing support 16 and the optical support 20 each form a movable part of a wing shaping device. They respectively follow the contour of the upper and lower parts of the opening 14 of the wing 12 and are fixed to the wing at the edge of this opening. They are attached to each other at their two ends, at points 21a and 21b, so as to form a closed contour.
  • the wing 12 is fixed along its upper edge, the wing support 16, at fixing points 22. This fixing is performed by screwing or clipping. This type of attachment of the wing 12 on the support 16, conventional, will not be detailed further.
  • the optical housing 26 is fixed at the upper edge of the wing opening to the wing support.
  • the relative positioning of the optical block 15 and the wing support 16 is carried out as close as possible to the upper edge of the opening 14 of the wing 12, with the aid of a flange 28 of the optic housing 26 cooperating with a groove 30 of the wing support 16.
  • the groove 30 and the flange 28 are shaped so that the flange 28 is immobilized in the groove.
  • the groove 30 and the flange 28 are shaped so that in this part, the wing support 16 and the optical block 15 are positioned relative to one another with play in a direction corresponding to the vertical direction of the vehicle.
  • the optical unit 15 is also fixed in its upper rear part to the wing support 16. This attachment preferably catches the game in the longitudinal direction of the vehicle. This type of attachment makes it possible not to disturb the positioning already carried out in the front part of the module 10.
  • the optical block 15 is fixed to the optical support 20.
  • the relative positioning of the optical block 15 and the optical support 20 is carried out by means of two pins 32 located on the optical block 15 and each cooperating with a channel 34 formed in the optical support 20.
  • the pins 32 are formed on the optical glazing 33.
  • the channel 34 and the pin 32 cooperate to perform the relative positioning of the optical unit 15 and the optical support 20 in a single direction, corresponding in particular to the transverse or vertical direction of the vehicle, while the channel 34 and the pin 32 located in the outer part can perform the relative positioning of the optical unit 15 and the optical support 20 in the directions corresponding to the transverse and vertical directions of the vehicle.
  • the optical housing 26 is fixed to the optical support 20 by one or more screws, preferably located in the vicinity of the pins 32. These screws ensure the relative positioning the optical block 15 and the optical support 20 in a direction corresponding to the longitudinal direction of the vehicle.
  • the optical support 20 is also attached to the wing 12 at the edge of the opening 14, with clips 38 and possibly by welding spots.
  • the outer parts of the wing and optical support, on the one hand, and the optical block, on the other hand, are permanently fixed relative to each other.
  • the inner parts of the wing supports 16 and optical 20 form two movable parts relative to each other, each being also movable relative to the optical block.
  • the fixation of the optical support 16 relative to the optical support 20 can also be secured by screwing the outer ends of the optical media 20 and wing 16, at the point 21 b.
  • the wing and optical supports can deform the wing in the desired shape without exerting strong constraints due to the elastic return of the wing on the optical block.
  • the module is attached to the white body of the motor vehicle, via the wing support, secured by screwing, by its lower part, in particular under the absorber 18, at an upper spar of the box in white.
  • the invention is not limited to the embodiment described above and illustrated in the figures.
  • the shaping device may be independent of the wing and optical supports. This shaping device can also be used to conform the wing when the latter and the optical unit are already mounted on the vehicle.
  • the shape of the shaping device is not limited to the shapes shown.
  • the body skin is not necessarily a wing skin but can also be a bumper skin, for example.

Abstract

The invention relates to a device (2) for conforming the skin of a bodywork (1) made of a plastic material around the optical block of the automobile, the skin including at least one opening (1a) for receiving the optical bock. The device includes an optional attachment means (5) to the optical block as well as two parts (6a, 6b) mobile relative to each other. Each part is attached to the skin at the edge of the opening thereof and includes an attachment means that is mutual with the other side and a contact interface (9a, 9b) with the optical block. The contact interface (9a) of at least one part (6a) is arranged so that once all the optional attachment means (5) of the device are in place, the other part (6b) can be freely moved away from the optical block if the two parts (6a, 6b) are no longer attached together by their mutual attachment means.

Description

Dispositif de conformation d'une peau de carrosserie de véhicule automobile. Device for shaping a body skin of a motor vehicle.
La présente invention concerne le domaine technique des peaux de carrosseries en matière plastique de véhicules automobiles, notamment des peaux de carrosserie entourant des blocs optiques.The present invention relates to the technical field of motor vehicle body skins, including body skins surrounding optical blocks.
On connaît, dans l'état de la technique, notamment du document FR 2 885 587, un procédé de conformation d'une peau de pare-chocs en matière plastique de véhicule automobile, cette peau comportant une ouverture destinée à recevoir un bloc optique. Deux renforts sont solidarisés à la peau en bordure de son ouverture. Lors de ce procédé, on se sert du bloc optique comme d'un gabarit pour placer la peau dans sa position définitive sur le véhicule. A cet effet, on applique chaque renfort contre le bloc optique en respectant exactement le positionnement prévu par différents points du bloc optique, lesquels sont matérialisés par des languettes ou des œillets conformés sur le bloc optique et coopérant avec des moyens complémentaires agencés sur le renfort. La peau de pare- chocs, relativement déformable, accompagne les renforts et se trouve ainsi positionnée au plus près du bloc optique, sans l'aide d'un gabarit externe. Les renforts sont ensuite assemblés au bloc optique par des moyens d'assemblage distincts ou confondus avec les points de positionnement et la peau demeure ainsi dans sa position définitive par rapport au bloc optique. En dernier lieu et de façon optionnelle, les renforts sont soudés entre eux, ce qui permet à la peau de garder sa position définitive, même dans le cas où l'on doit démonter le bloc optique.In the state of the art, in particular document FR 2 885 587, there is known a method of shaping a bumper skin made of plastic of a motor vehicle, this skin comprising an opening intended to receive an optical unit. Two reinforcements are attached to the skin at the edge of its opening. In this process, the optical block is used as a template to place the skin in its final position on the vehicle. For this purpose, each reinforcement is applied against the optical block exactly respecting the positioning provided by different points of the optical block, which are materialized by tabs or eyelets shaped on the optical block and cooperating with complementary means arranged on the reinforcement. The bumper skin, relatively deformable, accompanies the reinforcements and is thus positioned closer to the optical block, without the aid of an external template. The reinforcements are then assembled to the optical block by means of separate assembly or merged with the positioning points and the skin thus remains in its final position relative to the optical block. Finally and optionally, the reinforcements are welded together, which allows the skin to keep its final position, even in the case where we must disassemble the optical block.
Ce procédé est satisfaisant en ce qu'il permet de conformer la peau exactement selon la forme du bloc optique qu'elle reçoit, c'est-à-dire sans subir d'inévitables dispersions géométriques entre différents exemplaires du bloc optique ou de la peau.This method is satisfactory in that it makes it possible to conform the skin exactly according to the shape of the optical block that it receives, that is to say without undergoing inevitable geometrical dispersions between different copies of the optical block or the skin. .
Toutefois, dans ce procédé de l'état de la technique, la peau est déformée élastiquement par le bloc optique et exerce par conséquent sur ce dernier des forces de rappel élastique, en général des forces de traction, aux points où les renforts sont solidarisés au bloc optique. Or, le bloc optique, rigide dans son ensemble, comprend des parties moins résistantes mécaniquement. Les forces de traction exercées par la peau, par l'intermédiaire des renforts, pourraient donc contribuer à endommager le bloc optique dans ces parties. Par conséquent, les moyens d'assemblage des renforts à la peau ne peuvent pas être ménagés sur ces parties du bloc optique. La présente invention a pour but de remédier à cet inconvénient. A cet effet, la présente invention a pour objet un dispositif de conformation d'une peau de carrosserie en matière plastique autour d'un bloc optique de véhicule automobile, la peau comportant une ouverture destinée à recevoir le bloc optique, ledit dispositif étant caractérisé en ce que : - il comprend des moyens de fixation au bloc optique,However, in this method of the state of the art, the skin is elastically deformed by the optical block and therefore exerts on the latter elastic restoring forces, generally tensile forces, at the points where the reinforcements are secured to the optical block. However, the optical block, rigid as a whole, comprises less mechanically resistant parts. The tensile forces exerted by the skin, through the reinforcements, could therefore contribute to damaging the optical block in these parts. Therefore, the means for assembling reinforcements to the skin can not be provided on these parts of the optical block. The present invention aims to overcome this disadvantage. For this purpose, the subject of the present invention is a device for shaping a plastic body skin around an optical unit of a motor vehicle, the skin comprising an opening intended to receive the optical unit, said device being characterized in what: - it comprises fixing means to the optical block,
- il comprend au moins deux parties mobiles l'une par rapport à l'autre,it comprises at least two parts movable relative to one another,
- chaque partie est destinée à être fixée à la peau, en bordure de son ouverture,each part is intended to be fixed to the skin, at the edge of its opening,
- chaque partie comprend des moyens de fixation réciproque à l'autre partie et une interface de contact avec le bloc optique, - l'interface de contact de l'une au moins des deux parties est agencée de manière à ce que, tous les moyens de fixation du dispositif de conformation au bloc optique étant mis en place, l'autre partie soit libre de s'écarter du bloc optique si les deux parties cessent d'être fixées l'une à l'autre par leurs moyens de fixation réciproque.each part comprises reciprocal fixing means to the other part and a contact interface with the optical block; the contact interface of at least one of the two parts is arranged in such a way that all the means fixing the shaping device to the optical block being placed, the other part is free to move away from the optical unit if the two parts cease to be fixed to each other by their reciprocal fixing means.
Un « bloc optique » renferme l'optique d'un véhicule automobile : il comprend un boîtier d'optique, comportant différents éléments fonctionnels, notamment les feux de croisement, et fermé par un vitrage d'optique, autour duquel l'ouverture de la peau doit être positionnée.An "optical unit" encloses the optics of a motor vehicle: it comprises an optical box, comprising various functional elements, notably the dipped beam, and closed by an optical glazing, around which the opening of the skin must be positioned.
On entend par « ouverture » une lumière ménagée dans la peau de carrosserie et destinée à recevoir le bloc optique. Cette ouverture peut être caractérisée par un contour non fermé.By "opening" is meant a lumen formed in the body skin and intended to receive the optical unit. This opening can be characterized by an unclosed contour.
Les moyens de fixation sont « mis en place » lorsqu'ils sont placés dans la position permettant de fixer le dispositif de conformation au bloc optique.The fixing means are "put in place" when they are placed in the position for fixing the shaping device to the optical unit.
Dans toute la suite, on appellera « partie mobile » les parties du dispositif mobiles l'une par rapport à l'autre. La conformation de la peau de carrosserie autour du bloc optique est réalisée en déplaçant l'une au moins des parties mobiles du dispositif de sorte que l'interface de contact de cette partie soit en appui contre le bloc optique. Chaque partie mobile étant fixée à la peau, cette dernière accompagne le déplacement de la partie mobile en se déformant élastiquement. La peau peut être ainsi positionnée au plus près du vitrage d'optique. La peau est ensuite maintenue dans sa configuration déformée par les moyens de fixation réciproque d'une partie mobile à l'autre. Lorsque l'on relâche ces moyens de fixation réciproque, la peau est à nouveau libre de s'écarter du bloc optique.In the following, we will call "mobile part" parts of the device moving relative to each other. The conformation of the body skin around the optical block is achieved by moving at least one of the moving parts of the device so that the contact interface of this part bears against the optical block. Each mobile part being attached to the skin, the latter accompanies the movement of the movable part by deforming elastically. The skin can thus be positioned closer to the optical glazing. The skin is then maintained in its deformed configuration by the reciprocal fixing means from one moving part to the other. When releasing these reciprocal fixing means, the skin is again free to deviate from the optical block.
Ainsi, les forces de rappel élastiques dues à la déformation de la peau sont exercées essentiellement sur les parties mobiles du dispositif de conformation. Le bloc optique est donc peu sollicité mécaniquement par la peau. Le positionnement et l'éventuelle fixation de la peau relativement au bloc optique peut de ce fait être réalisé relativement à toute partie de celui-ci, sans pour autant risquer de l'endommager.Thus, the elastic return forces due to the deformation of the skin are exerted essentially on the moving parts of the shaping device. The optical block is therefore little mechanically stressed by the skin. Positioning and the possible fixation of the skin relative to the optical block can therefore be achieved relative to any part thereof, without risk of damaging it.
L'invention peut également comprendre l'une des caractéristiques de la liste suivante : - les moyens de fixation comprennent des moyens de fixation au bloc optique d'une portion du dispositif, disposés de façon à être sensiblement opposés aux moyens de fixation réciproque, le dispositif comprenant de préférence un dégagement apte à accueillir le bloc optique, intercalé entre les moyens de fixation de la portion au bloc optique et les moyens de fixation réciproques. Ainsi, on peut positionner en premier lieu le bloc optique et ladite portion du dispositif l'un par rapport à l'autre puis les figer dans la position souhaitée. Cette portion, destinée à être fixée en bordure de la peau, permet donc de positionner localement et très précisément la fraction de la peau à laquelle elle est fixée avant que le positionnement global à l'aide des parties mobiles soit assuré. Ce positionnement local est réalisé sans déformation notable de la peau. chacune des parties mobiles l'une par rapport à l'autre est destinée à être fixée à la peau de façon à suivre essentiellement le contour de l'ouverture au moins sur une partie de sa longueur. Ainsi, chaque partie mobile est apte à déformer continûment la peau le long d'au moins une partie de son contour et permet par conséquent d'assurer un positionnement plus précis de la peau.The invention may also include one of the features of the following list: the fastening means comprise means for fixing the optical block of a portion of the device, arranged so as to be substantially opposed to the means of mutual attachment, the device preferably comprising a clearance adapted to receive the optical block, interposed between the fixing means of the portion of the optical block and the reciprocal fixing means. Thus, it is possible to position the optical block and said portion of the device firstly relative to one another and then to fix them in the desired position. This portion, intended to be fixed at the edge of the skin, thus makes it possible to position locally and very precisely the fraction of the skin to which it is attached before global positioning using the moving parts is ensured. This local positioning is achieved without significant deformation of the skin. each of the moving parts relative to each other is intended to be fixed to the skin so as to follow substantially the contour of the opening at least over part of its length. Thus, each movable portion is able to continuously deform the skin along at least a portion of its contour and therefore ensures a more precise positioning of the skin.
- le dispositif de conformation est conformé en U, comprenant un fond et deux branches s'étendant en particulier de chaque côté du fond, le fond comprenant le cas échéant les moyens de fixation au bloc optique et les deux branches constituant les parties mobiles l'une par rapport à l'autre du dispositif. Cette configuration est particulièrement avantageuse lorsque le contour de l'ouverture de la peau de carrosserie n'est pas fermé et comprend trois côtés.- The shaping device is U-shaped, comprising a bottom and two branches extending in particular on each side of the bottom, the bottom optionally comprising the fixing means to the optical block and the two branches constituting the moving parts. relative to each other of the device. This configuration is particularly advantageous when the contour of the opening of the body skin is not closed and comprises three sides.
- les parties mobiles l'une par rapport à l'autre du dispositif sont disposées sur deux pièces distinctes, les moyens de fixation réciproque étant disposées au moins à une extrémité de chaque pièce. La configuration dans laquelle les moyens de fixation réciproque sont ménagés à leurs deux extrémités est particulièrement avantageuse pour les peaux de carrosseries entourant le bloc optique, le dispositif comprend en outre des moyens de positionnement relatif du bloc optique et d'au moins une des parties mobiles l'une par rapport à l'autre du dispositif, de sorte que la partie soit mobile uniquement selon une direction donnée relativement au bloc optique, c'est-à-dire présente uniquement un degré de liberté relativement au bloc optique. Ainsi, on peut guider plus facilement cette -A- partie mobile lors de son déplacement et, par conséquent, mieux contrôler la déformation de la peau et obtenir un positionnement optimal de la peau. La peau conservant un degré de liberté, la positionnement d'une partie mobile n'entraîne pas de déformation notable de la peau. - chacune des parties mobiles l'une par rapport à l'autre du dispositif est mobile relativement au bloc optique, même lorsque les moyens de fixation du bloc optique au dispositif sont mis en place, ce qui permet de positionner encore plus précisément la peau car sa déformation peut être gérée plus localement, au moins une partie mobile du dispositif est constituée par un élément structurel du véhicule, comme un support d'optique ou un support d'aile, ce qui permet de diminuer le nombre de pièces et de simplifier l'assemblage des différents éléments entre eux. chaque partie mobile comprend des moyens de fixation à la peau de carrosserie, les moyens de fixation à la peau de carrosserie de chacune des parties mobiles étant distincts des moyens de fixation à la peau de carrosserie de l'autre des parties mobiles. les moyens de fixation réciproque de chacune des parties mobiles à l'autre des parties mobiles sont distincts des moyens de fixation de cette partie mobile au bloc optique et/ou à la peau de carrosserie. L'invention a également pour objet un module de véhicule automobile, comprenant : un bloc optique, une peau de carrosserie comportant une ouverture destinée à recevoir le bloc optique, un dispositif de conformation selon l'invention. Dans un mode de réalisation particulier, le module comprend au moins l'un des éléments de la liste suivante :- The moving parts relative to each other of the device are arranged on two separate parts, the reciprocal fixing means being arranged at least at one end of each piece. The configuration in which the reciprocal fixing means are provided at their two ends is particularly advantageous for body skins surrounding the optical unit, the device further comprises means for relative positioning of the optical unit and at least one of the moving parts. relative to each other of the device, so that the part is mobile only in a given direction relative to the optical block, that is to say, only has a degree of freedom relative to the optical block. Thus, we can more easily guide this -A- mobile part during its movement and, therefore, better control the deformation of the skin and obtain optimal positioning of the skin. The skin retains a degree of freedom, the positioning of a moving part does not cause significant deformation of the skin. each of the moving parts relative to each other of the device is movable relative to the optical block, even when the means for fixing the optical block to the device are put in place, which makes it possible to position the skin even more precisely; its deformation can be managed more locally, at least one mobile part of the device is constituted by a structural element of the vehicle, such as an optical support or wing support, which allows to reduce the number of parts and to simplify the assembly of the different elements together. each movable part comprises fastening means to the body skin, the fastening means to the body skin of each of the movable parts being distinct from the fastening means to the body skin of the other movable parts. the reciprocal fixing means of each of the moving parts to the other of the moving parts are distinct from the means for fixing this mobile part to the optical unit and / or the body skin. The invention also relates to a motor vehicle module, comprising: an optical unit, a body skin having an opening for receiving the optical unit, a shaping device according to the invention. In a particular embodiment, the module comprises at least one of the elements of the following list:
- un support de peau de carrosserie,a body skin support,
- un support d'optique,an optical support,
- un absorbeur destiné à absorber les chocs avec un piéton, - des moyens d'anti-cloquage de la peau de carrosserie.an absorber intended to absorb shocks with a pedestrian, means for anti-blistering of the bodywork skin.
De façon avantageuse, au moins une partie, ou portion, du dispositif est d'une seule pièce avec au moins l'un des éléments de la liste ci-dessus, ce qui permet de simplifier l'assemblage du module.Advantageously, at least a part, or portion, of the device is in one piece with at least one of the elements of the above list, which simplifies assembly of the module.
Optionnellement, la peau de carrosserie est une aile du véhicule automobile. L'invention a également pour objet un procédé de conformation d'une peau de carrosserie autour d'un bloc optique de véhicule automobile, la peau comportant une ouverture destinée à accueillir le bloc optique, le procédé comprenant les étapes suivantes : on fixe au préalable au bloc optique un dispositif de conformation comprenant au moins deux parties mobiles l'une par rapport à l'autre, - on fixe chaque partie mobile du dispositif à une partie de la peau de carrosserie disposée en bordure de l'ouverture de celle-ci,Optionally, the body skin is a wing of the motor vehicle. The invention also relates to a method of shaping a body skin around a motor vehicle optical unit, the skin comprising a opening intended to receive the optical block, the method comprising the following steps: the optical block is fixed beforehand with a shaping device comprising at least two parts that are movable relative to each other; each mobile part of the device is fixed; a portion of the body skin disposed at the edge of the opening thereof,
- on déplace au moins une des parties mobiles du dispositif de sorte qu'une interface de contact de chaque partie mobile soit en appui contre le bloc optique, on fixe l'une des parties mobiles à l'autre des parties de façon à maintenir les interfaces de contact en appui contre le bloc optique.at least one of the moving parts of the device is moved so that a contact interface of each mobile part bears against the optical block, one of the moving parts is fixed to the other of the parts so as to maintain the contact interfaces in support against the optical block.
Optionnellement, les différentes étapes de fixation sont effectuées de sorte que si les deux parties cessent d'être fixées l'une à l'autre, le dispositif de conformation étant fixé au bloc optique, au moins une des parties est libre de s'écarter du bloc optique.Optionally, the different fixing steps are carried out so that if the two parts stop being fixed to one another, the shaping device being attached to the optical unit, at least one of the parts is free to move apart. of the optical block.
La présente invention a également pour objet un dispositif de conformation d'une peau de carrosserie en matière plastique autour d'un bloc optique de véhicule automobile, la peau comportant une ouverture destinée à recevoir le bloc optique, ledit dispositif étant caractérisé en ce que :The subject of the present invention is also a device for shaping a plastic body skin around an optical unit of a motor vehicle, the skin comprising an opening intended to receive the optical unit, said device being characterized in that:
- il comprend d'éventuels moyens de fixation au bloc optique, susceptibles d'être mis en place avant, pendant et/ou après la conformation de la peau de carrosserie, - il comprend au moins deux parties mobiles l'une par rapport à l'autre,it comprises possible fixing means for the optical block, which can be put in place before, during and / or after the conformation of the bodywork skin, it comprises at least two parts movable relative to one another; 'other,
- chaque partie est destinée à être fixée à la peau, en bordure de son ouverture,each part is intended to be fixed to the skin, at the edge of its opening,
- chaque partie comprend des moyens de fixation réciproque à l'autre partie et une interface de contact avec le bloc optique,each part comprises reciprocal fixing means to the other part and a contact interface with the optical block,
- l'interface de contact de l'une au moins des deux parties est agencée de manière à ce que, une fois mis en place tous les éventuels moyens de fixation du dispositif de conformation au bloc optique, l'autre partie soit libre de s'écarter du bloc optique si les deux parties cessent d'être fixées l'une à l'autre par leurs moyens de fixation réciproque.the contact interface of at least one of the two parts is arranged in such a way that, once all the possible means for fixing the shaping device to the optical block, have been put in place, the other part is free from move away from the optical block if the two parts cease to be fixed to each other by their means of mutual fixation.
Un tel dispositif peut également comprendre toutes les caractéristiques définies ci- dessus et appartenir à un module tel que défini ci-dessus. La présente invention a également pour objet un procédé de conformation d'une peau de carrosserie autour d'un bloc optique, la peau comportant une ouverture destinée à accueillir un bloc optique, caractérisé en ce qu'il utilise un dispositif de conformation selon l'invention et en ce que le procédé comprend : au moins une étape préalable de fixation du dispositif au bloc optique, - une étape de déplacement d'au moins une partie du dispositif de sorte que l'interface de contact de chaque partie soit en appui contre le bloc optique, une étape de fixation d'une partie à l'autre partie de façon à maintenir les interfaces de contact en appui contre le bloc optique,Such a device may also include all the features defined above and belong to a module as defined above. The present invention also relates to a method of shaping a body skin around an optical block, the skin having an opening for receiving an optical unit, characterized in that it uses a shaping device according to the invention. invention and in that the method comprises: at least one prior step of fixing the device to the optical block, - a step of moving at least a part of the device so that the contact interface of each part is in support against the optical block, a step of fixing a part to the other part so as to keep the contact interfaces bearing against the optical block,
L'invention sera mieux comprise à la lecture de la description qui va suivre, faite en référence aux dessins dans lesquels : - la figure 1 est une représentation schématique d'un dispositif de conformation selon un mode de réalisation de l'invention, la figure 2 est une vue en perspective d'un module de véhicule automobile selon un mode de réalisation particulier de l'invention, la figure 3 est une vue en coupe d'un détail d'une partie supérieure du module de la figure 2, la figure 4 est une vue en coupe d'un détail d'une partie inférieure du module de la figure 2.The invention will be better understood on reading the description which follows, with reference to the drawings in which: FIG. 1 is a schematic representation of a shaping device according to one embodiment of the invention, FIG. 2 is a perspective view of a motor vehicle module according to a particular embodiment of the invention, FIG. 3 is a sectional view of a detail of an upper part of the module of FIG. 2, FIG. 4 is a sectional view of a detail of a lower part of the module of FIG.
On a représenté sur la figure 1 une aile 1 de véhicule automobile (en pointillés) formée par un panneau de carrosserie moulé. L'aile comporte une ouverture 1 a destinée à entourer le vitrage d'optique, non représenté sur la figure.There is shown in Figure 1 a wing 1 of a motor vehicle (dashed) formed by a molded body panel. The wing has an opening 1a for surrounding the optical glazing, not shown in the figure.
L'ouverture 1 a de l'aile 1 telle que fabriquée correspond essentiellement à la forme du vitrage d'optique. Elle n'est toutefois pas tout à fait de forme complémentaire du vitrage d'optique, du fait de la dispersion des dimensions de l'aile 1 et du vitrage.The opening 1 of the wing 1 as manufactured corresponds essentially to the shape of the optical glazing. However, it is not quite complementary shape of the optical glazing, because of the dispersion of the dimensions of the wing 1 and the glazing.
La figure 1 montre également un dispositif 2 de conformation de l'aile 1 autour du bloc optique, permettant de déformer élastiquement celle-ci pour qu'elle épouse autant que possible la forme du vitrage d'optique.Figure 1 also shows a device 2 of conformation of the wing 1 around the optical block, for elastically deforming it so that it marries as much as possible the shape of the optical glazing.
Le dispositif de conformation 2 est destiné à être fixé à une face de l'aile, non visible de l'extérieur du véhicule, en bordure de l'ouverture 1a, tout le long de son contour.The shaping device 2 is intended to be fixed to one side of the wing, not visible from the outside of the vehicle, at the edge of the opening 1a, all along its contour.
Dans la suite de la description, on nommera « partie extérieure », respectivement « partie intérieure » du bloc optique, de l'aile ou de tout autre élément, la partie de cet élément destinée à être le plus à l'extérieur, respectivement le plus à l'intérieur, du véhicule selon sa direction transversale, lorsque cet élément est monté sur le véhicule.In the remainder of the description, the term "outer part" or "inner part" of the optical block, the wing or any other element will be referred to as the part of this element intended to be the outermost, respectively the outermost part. further inside, the vehicle in its transverse direction, when this element is mounted on the vehicle.
Le dispositif 2 est conformé en U et comprend un fond 4 en partie extérieure et deux branches latérales 6a et 6b s'étendant de chaque côté du fond 4, essentiellement selon la direction transversale du véhicule, vers l'intérieur de celui-ci. Le bloc optique est destiné à être accueilli dans le dégagement délimité par le fond 4 et les deux branches latérales 6a,The device 2 is U-shaped and comprises a bottom 4 in the outer part and two lateral branches 6a and 6b extending on each side of the bottom 4, essentially in the transverse direction of the vehicle, towards the inside thereof. The optical unit is intended to be accommodated in the clearance defined by the bottom 4 and the two lateral branches 6a,
6t) du dispositif. Le fond 4 est destiné à être immobilisé relativement au bloc optique, notamment en des points 5, et comprend à cet effet des moyens de fixation. Les branches6t) of the device. The bottom 4 is intended to be immobilized relative to the optical block, in particular at points 5, and comprises for this purpose fixing means. Branches
6a., 6t) constituent des parties mobiles du dispositif, ces parties étant mobiles l'une par rapport à l'autre et par rapport au bloc optique. Ces parties mobiles forment des mâchoires permettant le serrage du bloc optique entre elles. Chaque partie mobile comprend, à son extrémité libre, une patte rigide 8a., 8Jx Ces pattes sont destinées à être superposées lorsque la peau est correctement positionnée et comprennent des moyens de fixation réciproque.6a., 6t) constitute moving parts of the device, these parts being movable with respect to each other and with respect to the optical unit. These moving parts form jaws for clamping the optical block together. Each movable portion comprises, at its free end, a rigid tab 8a., 8Jx These tabs are intended to be superimposed when the skin is correctly positioned and comprise reciprocal fixing means.
Le 2 comprend également, sur chaque partie mobile, une interface de contact 9a, 9b avec le bloc optique destinée à être en appui contre le bloc optique, notamment le vitrage d'optique, et constituée par la face inférieure de la branche 6a et la face supérieure de la branche 6JxThe 2 also comprises, on each mobile part, a contact interface 9a, 9b with the optical block intended to be in abutment against the optical block, in particular the optical glazing, and constituted by the lower face of the branch 6a and the upper face of branch 6Jx
Ainsi, pour conformer l'aile autour du bloc optique, on déplace les branches 6a, 6b l'une par rapport à l'autre. Les deux branches 6a, 6t) sont rapprochées de sorte que leurs interfaces de contact 9a, 9b soient en appui contre le bloc optique et que les deux pattes 8a., 8t) du dispositif soient superposées.Thus, to conform the wing around the optical block, the legs 6a, 6b are moved relative to each other. The two branches 6a, 6t) are brought together so that their contact interfaces 9a, 9b bear against the optical block and the two tabs 8a, 8t) of the device are superimposed.
Ce faisant, on contraint et on déforme élastiquement l'aile 1 , en particulier au voisinage de la bordure de l'ouverture 1a. fixée au dispositif. Pour maintenir le positionnement correct de l'aile 1 , on fixe les deux pattes 8a, 8b entre elles, à l'aide des moyens de fixation réciproque de l'une des pattes à l'autre, constitués par exemple par deux orifices, ménagés chacun dans une patte 8a, 8b et permettant, lorsqu'ils sont superposés, d'accueillir une vis. Au moins l'un des deux orifices est un orifice oblong, permettant l'assemblage des deux pattes en plusieurs positions relatives, selon la déformation à appliquer à l'aile. L'aile 1 est donc maintenue dans une configuration déformée autour du vitrage d'optique. Toutefois, si l'on relâche les moyens de fixation réciproque des deux branches 6a., 6t), l'aile 1 a tendance à reprendre sa configuration initiale et les branches 6a, 6t) s'écartent l'une de l'autre et s'écartent chacune du bloc optique.In doing so, the wing 1 is forced and deformed elastically, in particular in the vicinity of the edge of the opening 1a. attached to the device. To maintain the correct positioning of the wing 1, the two tabs 8a, 8b are fixed to one another by means of the means for reciprocal attachment of one of the tabs to the other, constituted for example by two orifices, arranged each in a tab 8a, 8b and allowing, when superimposed, to accommodate a screw. At least one of the two orifices is an oblong orifice, allowing the assembly of the two lugs in several relative positions, according to the deformation to be applied to the wing. The wing 1 is therefore maintained in a deformed configuration around the optical glazing. However, if we release the reciprocal attachment means of the two branches 6a., 6t), the wing 1 tends to resume its initial configuration and the branches 6a, 6t) deviate from each other and deviate each from the optical block.
On a représenté sur la figure 2 un module d'aile 10 selon un autre mode de réalisation de l'invention. Le module comprend une aile 12, représentée en pointillés, comportant une ouverture 14 destinée à recevoir un bloc optique. Le contour de l'ouverture est complémentaire de celui du vitrage optique. Le bloc optique 15 appartient au module mais n'est pas représenté sur la figure 2 pour des raisons de clarté.FIG. 2 shows a wing module 10 according to another embodiment of the invention. The module comprises a wing 12, shown in dotted lines, having an opening 14 for receiving an optical block. The outline of the opening is complementary to that of the optical glazing. The optical block 15 belongs to the module but is not shown in Figure 2 for reasons of clarity.
Le module comprend également un support d'aile 16 comportant un absorbeur 18 qui s'étend le long de la bordure supérieure de l'aile 12, dans la direction correspondant à la direction longitudinale du véhicule. L'absorbeur 18 est destiné à absorber un choc avec un piéton. Le module 10 comprend également un support de bloc optique 20 destiné à être placé sous le bloc optique et faisant également office, à l'avant, de renfort anti- cloquage de l'aile 12. Les supports d'aile 16 et d'optique 20 sont réalisés en matière plastique, ainsi que l'aile 12. Le support d'aile 16 et le support d'optique 20 forment chacun une partie mobile d'un dispositif de conformation de l'aile. Ils longent respectivement le contour des parties supérieures et inférieures de l'ouverture 14 de l'aile 12 et sont fixés à l'aile en bordure de cette ouverture. Ils sont fixés l'un à l'autre à leurs deux extrémités, aux points 21a et 21 b, de façon à former un contour fermé.The module also comprises a wing support 16 comprising an absorber 18 which extends along the upper edge of the wing 12, in the direction corresponding to the longitudinal direction of the vehicle. The absorber 18 is intended to absorb a shock with a pedestrian. The module 10 also comprises an optical block support 20 intended to be placed under the optical unit and also serving, at the front, anti-flocking reinforcement of the wing 12. The wing supports 16 and optical 20 are made of plastic, and the wing 12. The wing support 16 and the optical support 20 each form a movable part of a wing shaping device. They respectively follow the contour of the upper and lower parts of the opening 14 of the wing 12 and are fixed to the wing at the edge of this opening. They are attached to each other at their two ends, at points 21a and 21b, so as to form a closed contour.
On se référera ci-dessous aux figures 2 à 4.Reference is made below to FIGS. 2 to 4.
L'aile 12 est fixée le long de son bord supérieur, au support d'aile 16, en des points de fixation 22. Cette fixation est effectuée par vissage ou clippage. Ce type de fixation de l'aile 12 sur le support 16, classique, ne sera pas détaillée davantage. Comme on le voit sur la figure 3, le boîtier d'optique 26 est fixé, au niveau de la bordure supérieure de l'ouverture de l'aile, sur le support d'aile.The wing 12 is fixed along its upper edge, the wing support 16, at fixing points 22. This fixing is performed by screwing or clipping. This type of attachment of the wing 12 on the support 16, conventional, will not be detailed further. As seen in FIG. 3, the optical housing 26 is fixed at the upper edge of the wing opening to the wing support.
Le positionnement relatif du bloc optique 15 et du support d'aile 16 est effectué au plus près de la bordure supérieure de l'ouverture 14 de l'aile 12, à l'aide d'un rebord 28 du boîtier d'optique 26 coopérant avec une rainure 30 du support d'aile 16. En partie extérieure, la rainure 30 et le rebord 28 sont conformés de sorte que le rebord 28 est immobilisé dans la rainure. En revanche, en partie intérieure, la rainure 30 et le rebord 28 sont conformés de sorte que, dans cette partie, le support d'aile 16 et le bloc optique 15 sont positionnés l'un par rapport à l'autre avec jeu dans une direction correspondant à la direction verticale du véhicule. Le bloc optique 15 est également fixé dans sa partie arrière supérieure au support d'aile 16. Cette fixation rattrape de préférence le jeu suivant la direction longitudinale du véhicule. Ce type de fixation permet de ne pas perturber le positionnement déjà effectué en partie avant du module 10.The relative positioning of the optical block 15 and the wing support 16 is carried out as close as possible to the upper edge of the opening 14 of the wing 12, with the aid of a flange 28 of the optic housing 26 cooperating with a groove 30 of the wing support 16. In the outer part, the groove 30 and the flange 28 are shaped so that the flange 28 is immobilized in the groove. On the other hand, in the interior part, the groove 30 and the flange 28 are shaped so that in this part, the wing support 16 and the optical block 15 are positioned relative to one another with play in a direction corresponding to the vertical direction of the vehicle. The optical unit 15 is also fixed in its upper rear part to the wing support 16. This attachment preferably catches the game in the longitudinal direction of the vehicle. This type of attachment makes it possible not to disturb the positioning already carried out in the front part of the module 10.
Le bloc optique 15 est fixé au support d'optique 20. Le positionnement relatif du bloc optique 15 et du support d'optique 20 est effectué par l'intermédiaire de deux pions 32 situés sur le bloc d'optique 15 et coopérant chacun avec un canal 34 ménagé dans le support d'optique 20. Pour un positionnement plus précis, les pions 32 sont ménagés sur le vitrage d'optique 33. En partie intérieure, le canal 34 et le pion 32 coopèrent de façon à effectuer le positionnement relatif du bloc optique 15 et du support d'optique 20 selon une seule direction, correspondant notamment à la direction transversale ou verticale du véhicule, alors que le canal 34 et le pion 32 situés dans la partie extérieure permettent d'effectuer le positionnement relatif du bloc optique 15 et du support d'optique 20 selon les directions correspondant aux directions transversale et verticale du véhicule. Le boîtier d'optique 26 est fixé au support d'optique 20 par une ou plusieurs vis, de préférence situées au voisinage des pions 32. Ces vis assurent le positionnement relatif du bloc optique 15 et du support d'optique 20 selon une direction correspondant à la direction longitudinale du véhicule.The optical block 15 is fixed to the optical support 20. The relative positioning of the optical block 15 and the optical support 20 is carried out by means of two pins 32 located on the optical block 15 and each cooperating with a channel 34 formed in the optical support 20. For a more precise positioning, the pins 32 are formed on the optical glazing 33. In the inner part, the channel 34 and the pin 32 cooperate to perform the relative positioning of the optical unit 15 and the optical support 20 in a single direction, corresponding in particular to the transverse or vertical direction of the vehicle, while the channel 34 and the pin 32 located in the outer part can perform the relative positioning of the optical unit 15 and the optical support 20 in the directions corresponding to the transverse and vertical directions of the vehicle. The optical housing 26 is fixed to the optical support 20 by one or more screws, preferably located in the vicinity of the pins 32. These screws ensure the relative positioning the optical block 15 and the optical support 20 in a direction corresponding to the longitudinal direction of the vehicle.
Le support d'optique 20 est également fixé à l'aile 12 en bordure de l'ouverture 14, à l'aide de clips 38 et, éventuellement, par des points de soudure. Dans cette configuration, les parties extérieures des support d'aile et d'optique, d'une part, et du bloc optique, d'autre part, sont fixées définitivement les unes par rapport aux autres. En revanche, les parties intérieures des support d'aile 16 et d'optique 20 forment deux parties mobiles l'une par rapport à l'autre, chacune étant également mobiles relativement au bloc optique. Une fois les différents éléments mis en position comme décrit ci-dessus, on déplace alors les parties mobiles des supports d'aile 16 et d'optique 20 l'une par rapport à l'autre. Comme ces supports sont chacun fixés à une partie de l'aile 12, leur déplacement entraîne la déformation élastique de celle-ci.The optical support 20 is also attached to the wing 12 at the edge of the opening 14, with clips 38 and possibly by welding spots. In this configuration, the outer parts of the wing and optical support, on the one hand, and the optical block, on the other hand, are permanently fixed relative to each other. On the other hand, the inner parts of the wing supports 16 and optical 20 form two movable parts relative to each other, each being also movable relative to the optical block. Once the various elements are in position as described above, the moving parts of the wing supports 16 and optical 20 are then moved relative to one another. As these supports are each attached to a portion of the wing 12, their displacement causes the elastic deformation thereof.
Ces supports 16, 20 sont déplacés jusqu'à ce que l'ouverture de l'aile soit (autant que possible) complémentaire du bloc optique, c'est-à-dire jusqu'à ce que les parties mobiles des supports d'aile 16 et d'optique 20 comprennent une interface de contact en appui contre le bloc optique 15, au voisinage de leur extrémité intérieure, et enserrent le bloc optique. Ces parties mobiles sont ensuite fixées l'une par rapport à l'autre à leur extrémité intérieure par l'intermédiaire d'au moins deux points de vissage 21 a. Cette fixation permet de maintenir la peau en configuration déformée. Pour effectuer cette fixation, on a ménagé dans chacun des supports d'aile 16 et d'optique 20 des orifices superposés aux points 21a lorsque l'aile et le bloc optique sont correctement positionnés. Ces orifices coopérant avec une vis forment des moyens de fixation réciproque des parties mobiles entre elles. L'un des orifices est un orifice oblong permettant de pouvoir fixer les parties mobiles en plusieurs positions l'une par rapport à l'autre, en fonction de la déformation à appliquer à l'aile 12.These supports 16, 20 are moved until the opening of the wing is (as far as possible) complementary to the optical unit, that is to say until the movable parts of the wing supports 16 and optical 20 comprise a contact interface bearing against the optical block 15, in the vicinity of their inner end, and enclose the optical block. These moving parts are then fixed relative to each other at their inner end by means of at least two screwing points 21a. This fixation makes it possible to maintain the skin in a deformed configuration. In order to carry out this fixation, each of the wing supports 16 and the optics 20 have openings superimposed on the points 21a when the wing and the optical block are correctly positioned. These orifices cooperating with a screw form reciprocal attachment means movable parts between them. One of the orifices is an oblong orifice making it possible to fix the moving parts in several positions relative to each other, as a function of the deformation to be applied to the wing 12.
La fixation du support d'optique 16 relativement au support d'optique 20 peut également être sécurisée par vissage des extrémités extérieures des supports d'optique 20 et d'aile 16, au niveau du point 21 b.The fixation of the optical support 16 relative to the optical support 20 can also be secured by screwing the outer ends of the optical media 20 and wing 16, at the point 21 b.
Ainsi, les supports d'aile et d'optique permettent de déformer l'aile dans la forme voulue sans pour autant exercer de fortes contraintes, dues au rappel élastique de l'aile, sur le bloc optique.Thus, the wing and optical supports can deform the wing in the desired shape without exerting strong constraints due to the elastic return of the wing on the optical block.
Ensuite, lorsque les différents éléments du module sont assemblés les uns par rapport aux autres, le module est rapporté sur la caisse en blanc du véhicule automobile, par l'intermédiaire du support d'aile, solidarisée par vissage, par sa partie inférieure, notamment sous l'absorbeur 18, à un longeron supérieur de la caisse en blanc. On notera que l'invention n'est pas limitée au mode de réalisation décrit ci-dessus et illustré sur les figures.Then, when the different elements of the module are assembled relative to each other, the module is attached to the white body of the motor vehicle, via the wing support, secured by screwing, by its lower part, in particular under the absorber 18, at an upper spar of the box in white. Note that the invention is not limited to the embodiment described above and illustrated in the figures.
En variante, le dispositif de conformation peut être indépendant des supports d'aile et d'optique. Ce dispositif de conformation peut également être utilisé pour conformer l'aile lorsque cette dernière et le bloc optique sont déjà montés sur le véhicule.In a variant, the shaping device may be independent of the wing and optical supports. This shaping device can also be used to conform the wing when the latter and the optical unit are already mounted on the vehicle.
En outre, la forme du dispositif de conformation n'est pas limitée aux formes représentées. On pourrait également envisager un dispositif de conformation comprenant une seule partie mobile relativement au bloc optique.In addition, the shape of the shaping device is not limited to the shapes shown. One could also consider a shaping device comprising a single movable portion relative to the optical block.
L'ordre des étapes de fixation des différents éléments les uns par rapport aux autres n'est également pas limité à l'ordre décrit ci-dessus.The order of the steps of fixing the various elements relative to each other is also not limited to the order described above.
Enfin, la peau de carrosserie ne constitue pas nécessairement une peau d'aile mais peut également constituer une peau de pare-chocs, par exemple. Finally, the body skin is not necessarily a wing skin but can also be a bumper skin, for example.

Claims

REVENDICATIONS
1. Dispositif de conformation (2 ; 16, 20) d'une peau de carrosserie (1 ; 12) en matière plastique autour d'un bloc optique (15) de véhicule automobile, la peau (1 ; 12) comportant une ouverture (1 a ;14) destinée à recevoir le bloc optique (15), ledit dispositif étant caractérisé en ce que :1. Shaping device (2; 16, 20) of a plastic body skin (1; 12) around an optical unit (15) of a motor vehicle, the skin (1; 12) having an opening ( 1a; 14) for receiving the optical block (15), said device being characterized in that:
- il comprend des moyens de fixation (5 ; 30, 34) au bloc optique,it comprises fixing means (5; 30, 34) to the optical block,
- il comprend au moins deux parties mobiles (6a, 6b ; 16, 20) l'une par rapport à l'autre, - chaque partie est destinée à être fixée à la peau, en bordure de son ouverture,- it comprises at least two movable parts (6a, 6b; 16, 20) relative to each other, - each part is intended to be attached to the skin, at the edge of its opening,
- chaque partie comprend des moyens de fixation réciproque à l'autre partie et une interface de contact (9a, 9b) avec le bloc optique,each part comprises reciprocal fixing means to the other part and a contact interface (9a, 9b) with the optical block,
- l'interface de contact (9a) de l'une au moins des deux parties (6a.) est agencée de manière à ce que, tous les moyens de fixation (5) du dispositif de conformation au bloc optique étant mis en place, l'autre partie (6t>) soit libre de s'écarter du bloc optique si les deux parties (6a, 6b) cessent d'être fixées l'une à l'autre par leurs moyens de fixation réciproque.the contact interface (9a) of at least one of the two parts (6a) is arranged in such a way that all the fixing means (5) of the device for shaping the optical unit are put in place, the other part (6t>) is free to move away from the optical unit if the two parts (6a, 6b) cease to be fixed to each other by their reciprocal fixing means.
2. Dispositif selon la revendication précédente, dans lequel les moyens de fixation comprennent des moyens de fixation au bloc optique d'une portion du dispositif, disposés de façon à être sensiblement opposés aux moyens de fixation réciproque, le dispositif comprenant de préférence un dégagement apte à accueillir le bloc optique, intercalé entre les moyens de fixation (5) de la portion au bloc optique et les moyens de fixation réciproques (8a, 8b).2. Device according to the preceding claim, wherein the fixing means comprise means for fixing the optical block of a portion of the device, arranged to be substantially opposite to the reciprocal fixing means, the device preferably comprising a suitable clearance. to accommodate the optical block, interposed between the fixing means (5) of the portion to the optical block and the reciprocal fixing means (8a, 8b).
3. Dispositif selon l'une quelconque des revendications précédentes, dans lequel chacune des parties (6a, 6b ; 16, 20) mobiles l'une par rapport à l'autre du dispositif est apte à être fixée à la peau (1 ; 12) de façon à suivre essentiellement le contour de l'ouverture sur au moins une partie de sa longueur.3. Device according to any one of the preceding claims, wherein each of the parts (6a, 6b; 16, 20) movable relative to each other of the device is capable of being fixed to the skin (1; ) so as essentially to follow the contour of the opening over at least a part of its length.
4. Dispositif selon l'une quelconque des revendications précédentes, conformé en U, comprenant un fond (4) et deux branches (6a, 6b) s'étendant de chaque côté du fond (4), le fond (4) comprenant les moyens de fixation au bloc optique et les deux branches constituant les deux parties mobiles l'une par rapport à l'autre.4. Device according to any one of the preceding claims, U-shaped, comprising a bottom (4) and two legs (6a, 6b) extending on each side of the bottom (4), the bottom (4) comprising the means fixing to the optical block and the two branches constituting the two moving parts relative to each other.
5. Dispositif selon l'une quelconque des revendications 1 à 3, dans lequel les parties mobiles (16, 20) l'une par rapport à l'autre sont disposées sur deux pièces distinctes, les moyens de fixation réciproque (21a, 21 b) de chaque partie mobile à l'autre étant disposées à au moins une des extrémités de chaque pièce. 5. Device according to any one of claims 1 to 3, wherein the movable parts (16, 20) relative to each other are arranged on two separate parts, the reciprocal fixing means (21a, 21b). ) of each movable portion to the other being disposed at at least one end of each piece.
6. Dispositif selon l'une quelconque des revendications précédentes, comprenant des moyens de positionnement relatif (30, 34) du bloc optique et d'au moins une des parties mobiles, de sorte que ladite partie présente uniquement un degré de liberté selon une direction donnée, relativement au bloc optique. 6. Device according to any one of the preceding claims, comprising relative positioning means (30, 34) of the optical block and at least one of the moving parts, so that said portion has only one degree of freedom in one direction. given, relative to the optical block.
7. Dispositif selon l'une quelconque des revendications précédentes, dans lequel, les moyens de fixation (5 ; 30, 34) du bloc optique au dispositif de conformation étant mis en place, chacune des parties mobiles (6a., 6t> ; 16, 20) l'une par rapport à l'autre du dispositif est mobile relativement au bloc optique.7. Device according to any one of the preceding claims, wherein, the fixing means (5; 30; 34) of the optical block to the shaping device being put in place, each of the moving parts (6a., 6t>; 16 , 20) relative to each other of the device is movable relative to the optical block.
8. Dispositif selon l'une quelconque des revendications précédentes, dans lequel au moins une partie mobile du dispositif est constituée par un élément structurel du véhicule, comme un support d'optique (20) ou un support d'aile (16).8. Device according to any one of the preceding claims, wherein at least one movable part of the device is constituted by a structural element of the vehicle, such as an optical support (20) or a wing support (16).
9. Dispositif selon l'une quelconque des revendications précédentes, dans lequel chaque partie mobile (6a., 6t) ; 16, 20) comprend des moyens de fixation (22, 38) à la peau de carrosserie (1 ; 12), les moyens de fixation (22) à la peau de carrosserie de chacune des parties mobiles étant distincts des moyens de fixation (38) à la peau de carrosserie de l'autre des parties mobiles.9. Device according to any one of the preceding claims, wherein each movable part (6a., 6t); 16, 20) comprises fastening means (22, 38) to the body skin (1; 12), the fastening means (22) to the body skin of each of the movable parts being distinct from the fastening means (38). ) to the body skin of the other moving parts.
10. Dispositif selon l'une quelconque des revendications précédentes, dans lequel les moyens de fixation réciproque (8a, 8b ; 21 a, 21 b) de chacune des parties mobiles à l'autre des parties mobiles sont distincts des moyens de fixation de cette partie mobile au bloc optique (5 ; 30, 34) et/ou à la peau de carrosserie (22, 38).10. Device according to any one of the preceding claims, wherein the reciprocal fixing means (8a, 8b, 21a, 21b) of each of the moving parts to the other of the moving parts are distinct from the fixing means of this movable portion to the optical block (5; 30,34) and / or the body skin (22,38).
11. Module (10) de véhicule automobile, comprenant : un bloc optique (15),11. Module (10) for a motor vehicle, comprising: an optical block (15),
- une peau de carrosserie (12) comportant une ouverture (14) destinée à recevoir le bloc optique (15), telle qu'une aile de véhicule, - un dispositif de conformation (2 ; 16, 20) selon l'une quelconque des revendications précédentes.a body skin (12) having an opening (14) for receiving the optical unit (15), such as a vehicle wing, - a shaping device (2; 16, 20) according to any one of preceding claims.
12. Module (10) selon la revendication précédente, comprenant au moins l'un des éléments de la liste suivante, au moins l'un des éléments étant de préférence réalisé en une seule pièce avec au moins une portion du dispositif de conformation: - un support de peau de carrosserie (16), un support d'optique (20), un absorbeur (18) apte à absorber les chocs avec un piéton,12. Module (10) according to the preceding claim, comprising at least one of the elements of the following list, at least one of the elements being preferably made in one piece with at least a portion of the shaping device: a body skin support (16), an optical support (20), an absorber (18) adapted to absorb shocks with a pedestrian,
- des moyens d'anti-cloquage de la peau de carrosserie.- Anti-blistering means of the body skin.
13. Procédé de conformation d'une peau de carrosserie (1 ; 12) autour d'un bloc optique (15) de véhicule automobile, la peau comportant une ouverture (1a, 14) destinée à accueillir le bloc optique, le procédé étant caractérisé en ce qu'il comprend les étapes suivantes : on fixe au préalable au bloc optique un dispositif de conformation (2 ; 16, 20) comprenant au moins deux parties mobiles (6a, 6b ; 16, 20) l'une par rapport à l'autre, on fixe chaque partie mobile (6a, 6b ; 16, 20) du dispositif à une partie de la peau de carrosserie (1 ; 12) disposée en bordure de l'ouverture de celle-ci, on déplace au moins une des parties mobiles du dispositif de sorte qu'une interface de contact de chaque partie mobile soit en appui contre le bloc optique - on fixe l'une des parties mobiles à l'autre des parties de façon à maintenir les interfaces de contact en appui contre le bloc optique. 13. A method of shaping a body skin (1; 12) around an optical unit (15) of a motor vehicle, the skin comprising an opening (1a, 14) intended to to accommodate the optical block, the method being characterized in that it comprises the following steps: the optical block is fixed beforehand with a shaping device (2; 16, 20) comprising at least two moving parts (6a, 6b; 20) relative to each other, each movable portion (6a, 6b; 16, 20) of the device is fixed to a portion of the body skin (1; 12) disposed at the edge of the opening of the it moves at least one of the moving parts of the device so that a contact interface of each movable part bears against the optical block - one of the moving parts is fixed to the other parts of the to maintain the contact interfaces in support against the optical block.
14. Procédé de conformation selon la revendication précédente, dans lequel les différentes étapes de fixation sont effectuées de sorte que si les deux parties (6a., 6t) ; 16,14. The method of conformation according to the preceding claim, wherein the different fixing steps are performed so that if the two parts (6a., 6t); 16
20) cessent d'être fixées l'une à l'autre, le dispositif de conformation étant fixé au bloc optique, au moins une des parties (6t) ; 16) est libre de s'écarter du bloc optique (15). 20) cease to be fixed to each other, the shaping device being attached to the optical unit, at least one of the parts (6t); 16) is free to move away from the optical block (15).
PCT/FR2008/051396 2007-08-03 2008-07-24 Device for conforming the skin of the bodywork of an automobile WO2009024699A1 (en)

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FR0756942 2007-07-13
FR0756942A FR2919574B1 (en) 2007-08-03 2007-08-03 DEVICE FOR CONFORMING A CAR BODY SKIN OF A MOTOR VEHICLE

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WO2009024699A4 WO2009024699A4 (en) 2009-05-22

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DE102010060774A1 (en) * 2010-11-24 2012-05-24 Daimler Ag Arrangement for headlamp for structure of vehicle, comprises plastic frame which is provided for partially enclosing headlight in area of plastic lens, where plastic frame extends between vehicle component and plastic lens

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WO2003006302A1 (en) * 2001-07-10 2003-01-23 Peguform France Vehicle comprising a piece for supporting a car body element at the front of a vehicle
EP1502841A1 (en) * 2003-07-30 2005-02-02 Faurecia Bloc Avant Front-end module for a car comprising means for adjusting the position of the headlamps, handtooling for that purpose and assembly process of such a front end module
JP2005271758A (en) * 2004-03-25 2005-10-06 Fuji Heavy Ind Ltd Vehicle structure and its manufacture method
EP1772352A1 (en) * 2005-10-06 2007-04-11 Compagnie Plastic Omnium Support for positioning a vehicle body part and at least an optical assembly on a motor vehicle
WO2008101451A1 (en) * 2007-02-19 2008-08-28 Hbpo Gmbh Front end module for vehicles

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FR2833559B1 (en) * 2001-12-19 2004-02-27 Valeo Thermique Moteur Sa FRONT PANEL OF MOTOR VEHICLE WITH IMPROVED ACCESSIBILITY

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Publication number Priority date Publication date Assignee Title
WO2003006302A1 (en) * 2001-07-10 2003-01-23 Peguform France Vehicle comprising a piece for supporting a car body element at the front of a vehicle
EP1502841A1 (en) * 2003-07-30 2005-02-02 Faurecia Bloc Avant Front-end module for a car comprising means for adjusting the position of the headlamps, handtooling for that purpose and assembly process of such a front end module
JP2005271758A (en) * 2004-03-25 2005-10-06 Fuji Heavy Ind Ltd Vehicle structure and its manufacture method
EP1772352A1 (en) * 2005-10-06 2007-04-11 Compagnie Plastic Omnium Support for positioning a vehicle body part and at least an optical assembly on a motor vehicle
WO2008101451A1 (en) * 2007-02-19 2008-08-28 Hbpo Gmbh Front end module for vehicles

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FR2919574B1 (en) 2010-01-29
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EP2173583A1 (en) 2010-04-14
EP2173583B1 (en) 2016-05-25

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